Body mass index (BMI)

BMI < 18.5

Underweight

BMI =18.5 - 24.9

Normal

BMI = 25 - 29.9 kg/m²

Overweight

BMI = 30.0 - 34.9 kg/m²

Obesity I

BMI = 35.0 - 39.9 kg/m²

Obesity II

BMI ≥ 40.0 kg/m²

Obesity III

Waist circumference (cm)

Men

Women

Value

<94 cm

<80 cm

Normal

94 - 101.9 cm

80 - 87.9 cm

Overweight

≥102 cm

≥88 cm

Obesity

Waist-hip ratio

0.95 or below

0.80 or below

Normal (Low Risk)

0.96 to 1.0

0.81 to 0.85

Moderate Risk

1.0+

0.85+

High Risk